Water heater insert



FIG. 1 is a top view of the water heater insert assembly;

FIG. 2 is a bottom view of the water heater insert assembly;

FIG. 3 is a front view of the water heater insert assembly;

FIG. 4 is a rear view of the water heater insert assembly;

FIG. 5 is a left side view of the water heater insert assembly;

FIG. 6 is a right side view of the water heater insert assembly;

FIG. 7 is a bottom perspective view of the water heater insert assembly;

FIG. 8 is a bottom perspective view of the disassembled water heater insert comprising a base and a cover plate;

FIG. 9 is a top view of the water heater insert base;

FIG. 10 is a bottom view of the water heater insert base;

FIG. 11 is a front view of the water heater insert base;

FIG. 12 is a rear view of the water heater insert base;

FIG. 13 is a left side view of the water heater insert base;

FIG. 14 is a right side view of the water heater insert base;

FIG. 15 is a bottom perspective view of the water heater insert base;

FIG. 16 is a top view of the water heater insert cover plate;

FIG. 17 is a bottom view of the water heater insert cover plate;

FIG. 18 is a front view of the water heater insert cover plate;

FIG. 19 is a rear view of the water heater insert cover plate;

FIG. 20 is a left side view of the water heater insert cover plate;

FIG. 21 is a right side view of the water heater insert cover plate; and,

FIG. 22 is a top perspective view of the water heater insert cover plate. 

CLAIM The ornamental design for a water heater insert, as shown and described. 